Home / 11,256.68-15,534.24-6,780.62

Finding the Fourth Proportional to 11,256.68, 15,534.24 and 6,780.62

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Solution

The fourth proportional to 11,256.68, 15,534.24 and 6,780.62 is: 9,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.68 : 15,534.24 = 6,780.62 : x
  2. Step 2: Convert to fraction form
    11,256.68/15,534.24 = 6,780.62/x
  3. Step 3: Cross multiply
    11,256.68x = 15,534.24 × 6,780.62
  4. Step 4: Simplify right side
    11,256.68x = 105,331,778.43
  5. Step 5: Solve for x
    x = 105,331,778.43/11,256.68
  6. Step 6: Final answer
    x = 9,357.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.